by POPSUGAR Celebrity 9

Even while pulling double duty of supportive husband to Gwen and father to baby Kingston, Gavin Rossdale still finds time to himself. The rocker has been spotted on the tennis court hitting balls to stay in shape. Perhaps he wants a workout before gearing up for Gwen's performance at the Billboard Awards on Monday Night? We'd definitely love to see him there!

More pics of Gavin perfecting his stroke, so just read more

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